Description
string
bcsub ( string left_operand, string right_operand [, int scale])
Subtracts the right_operand from the
left_operand and returns the result in a
string. The optional scale parameter is
used to set the number of digits after the decimal place in the
result.
Example 1. bcsub() example <?php
$a = 1.234;
$b = 5;
echo bcsub($a, $b); // -3
echo bcsub($a, $b, 4); // -3.7660
?> |
|
See also bcadd().
